Kaiser Frazer Owners Club Forum
General Category => General Discussion => Topic started by: OLDNMKFR on September 13, 2011, 01:29:05 AM
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I recently acquired a 1990 Jeep Grand Wagoneer to use as a tow vehicle and while it is not strictly KF, I know that many members have Jeeps. The air injection system pump on the 5.9 Mopar engine is frozen completely. Can the whole air system be removed from the car? I have been told that they run much better without it. Any ideas from anyone who has done it? Need it running so I can use it to bring back a 1953 Kaiser from Colorado for a winter project. Any Advice??????
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I would follow the hoses to see if one goes to the catalytic converter. Many engines needed
air pumped into the converter so the converter could do a better job of "cleaning" the exhaust
gases. They took filtered air from the air cleaner and pumped to to the converter. My '83 Chrysler
with a 5.9 worked this way.
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Yes! It does have a pipe that follows the Y pipe back to the converter. It also has two pipes going into the right and left exhaust manifold. The pump is frozen solid and can't be turned even with a wrench. Will the engine run without the assembly?
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This was called the "upstream" and "downstream" air for the converter. Mine malfunctioned
and I took it off. The car ran fine without it.
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Thanks for the info. How did you plug the 4 air pipes that go into the right and left exhaust manifold. Are there threaded plugs that will fit when they are removed? Until I got an answer, I didn't try taking anything off yet. Is it true that the Grand Wagoneer up to 93 was originally a Howard Darrin design? I know that Jeep belonged to Kaiser until 62-63???? I know that AMC had them for a while and I think that Chrysler didn't get them until the 80's. :)
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A unit of Kaiser-Frazer Corporation bought the automotive operations of Willys-Overland in 1953; the Toledo operation was re-incorporated as Willys Motors, Incorporated. In 1955, Kaiser-Frazer got a name change and revamped, becoming Kaiser Industries. Willys Motors got a name change to Kaiser-Jeep in 1962. Kaiser Industries sold certain assets of Kaiser-Jeep to American Motors in 1969. Chrysler Corporation purchased AMC in the mid 1980's in a lock-stock-and-barrel type transaction (they bought the whole works).
AMC could not afford to develop all the major assemblies needed for their cars and went to other companies for engines, etc. After the sale to Chrysler Corporation, Chrysler began upgrading mechanical systems and assemblies and started intergrating their engines into various Jeep products.
This reply was actually posted by my husband, club Historian Jack Mueller.
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Small point--you passed over the (perhaps better forgotten?) purchase of AMC by Renault, before its purchase by Chrysler. It was notable in my mind only really for introducing diesel engines to Jeep in a small way for a few years.
The same designer was responsible for both the Jeep Wagoneer and the Studebaker Wagonaire, recycling not only the design (if you squint) but the name as well <g>
The other notable point was that when Mercedes bought Chrysler Jeep they got rid of the boxy Cherokee style (ie, the Wagoneer compared to the earlier Grand Wagoneer) and dumped the 4.0 L inline six as well, with its roots back in early Nash days. Sad, because M-B made a HUGE error, one of many (like buying for $36B and selling for $5B) Obviously, the Germans were not good at expense analysis because the Jeep Cherokee and variants was amortized long ago, and they could sell a great number of units each year without advertizing, with a net profit per unit starting at about $8,000 (!!!!) It was a steady money spinner, and even in the last year 2001, they produced over 120,000 which was a low point. Actually, the Cherokee had been cross subsidizing the other unprofitable C-J-D production for years.
A last comment--when your Kaiser or Frazer breaks down, look for an older mechanic as a Chrysler or Jeep dealer. I did one time in Maine, and found one at the local C-J-D dealer who had worked on the 226 in Jeeps, and knew what to do. That, or a Massey-Ferguson tractor dealer! They used Continentals too
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On my 5.9L, the air pump output was through a temperature valve that didn't allow airflow to the converter until operating temp was reached. I just plugged the output of this valve. The
air pump had its own fan belt that I removed. No more power drain due to the pump!